Index

A B C D E F G H I L M N P Q R S T U
All Classes and Interfaces|All Packages|Constant Field Values

A

aggregate(Map<Query, Collection<List<Content>>>) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator

B

build() - Method in class dev.langchain4j.community.chain.RetrievalQAChain.Builder

build() - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

build() - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

build() - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Builds the EmbeddingStoreIngestor.

builder() - Static method in class dev.langchain4j.community.chain.RetrievalQAChain

builder() - Static method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator

builder() - Static method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

builder() - Static method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor

Builder() - Constructor for class dev.langchain4j.community.chain.RetrievalQAChain.Builder

Builder() - Constructor for class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Creates a new EmbeddingStoreIngestor builder.

C

chatModel(ChatModel) - Method in class dev.langchain4j.community.chain.RetrievalQAChain.Builder

childTextSegmentTransformer - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

childTextSegmentTransformer - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor

childTextSegmentTransformer(TextSegmentTransformer) - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Sets the text segment transformer to be applied to child segments derived from parents.

contentRetriever(ContentRetriever) - Method in class dev.langchain4j.community.chain.RetrievalQAChain.Builder

createStrategy(List<Content>, boolean) - Static method in class dev.langchain4j.community.rag.content.aggregator.strategy.EmbeddingStrategyFactory

Creates the appropriate embedding strategy based on content analysis.

D

DEFAULT_DISPLAY_NAME - Static variable in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

DEFAULT_FILTER - Static variable in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

DEFAULT_MAX_RESULTS - Static variable in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

DEFAULT_MIN_SCORE - Static variable in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

dev.langchain4j.community.chain - package dev.langchain4j.community.chain

dev.langchain4j.community.data.document.graph - package dev.langchain4j.community.data.document.graph

dev.langchain4j.community.data.document.transformer.graph - package dev.langchain4j.community.data.document.transformer.graph

dev.langchain4j.community.rag.content.aggregator - package dev.langchain4j.community.rag.content.aggregator

dev.langchain4j.community.rag.content.aggregator.strategy - package dev.langchain4j.community.rag.content.aggregator.strategy

dev.langchain4j.community.rag.content.retriever - package dev.langchain4j.community.rag.content.retriever

dev.langchain4j.community.rag.content.util - package dev.langchain4j.community.rag.content.util

dev.langchain4j.community.store.embedding - package dev.langchain4j.community.store.embedding

displayName(String) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

documentChildSplitter - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

documentChildSplitter(DocumentSplitter) - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Sets the document splitter responsible for generating child segments from parent segments.

documentSplitter - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

documentSplitter(DocumentSplitter) - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Sets the document splitter.

documentTransformer - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

documentTransformer(DocumentTransformer) - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Sets the document transformer.

dynamicFilter(Function<Query, Filter>) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

dynamicMaxResults(Function<Query, Integer>) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

dynamicMinScore(Function<Query, Double>) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

E

EmbeddingMetadataUtils - Class in dev.langchain4j.community.rag.content.util

Utility class for storing and retrieving embeddings in TextSegment metadata.

embeddingModel - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

embeddingModel(EmbeddingModel) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

embeddingModel(EmbeddingModel) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

embeddingModel(EmbeddingModel) - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Sets the embedding model.

embeddingStore - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

embeddingStore - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor

embeddingStore(EmbeddingStore<TextSegment>) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

embeddingStore(EmbeddingStore<TextSegment>) - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Sets the embedding store.

EmbeddingStoreContentRetriever - Class in dev.langchain4j.community.rag.content.retriever

A ContentRetriever that retrieves from an EmbeddingStore.

EmbeddingStoreContentRetriever(EmbeddingStore<TextSegment>, EmbeddingModel) - Constructor for class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

EmbeddingStoreContentRetriever(EmbeddingStore<TextSegment>, EmbeddingModel, int) - Constructor for class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

EmbeddingStoreContentRetriever(EmbeddingStore<TextSegment>, EmbeddingModel, Integer, Double) - Constructor for class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder - Class in dev.langchain4j.community.rag.content.retriever

EmbeddingStrategy - Interface in dev.langchain4j.community.rag.content.aggregator.strategy

EmbeddingStrategyFactory - Class in dev.langchain4j.community.rag.content.aggregator.strategy

Factory for creating appropriate EmbeddingStrategy based on content analysis.

EmbeddingStrategyFactory() - Constructor for class dev.langchain4j.community.rag.content.aggregator.strategy.EmbeddingStrategyFactory

enrichSegmentWithEmbeddings(TextSegment, Embedding, Embedding) - Static method in class dev.langchain4j.community.rag.content.util.EmbeddingMetadataUtils

Enriches a TextSegment with query and document embeddings stored in metadata.

equals(Object) - Method in class dev.langchain4j.community.data.document.graph.GraphDocument

equals(Object) - Method in class dev.langchain4j.community.data.document.graph.GraphEdge

equals(Object) - Method in class dev.langchain4j.community.data.document.graph.GraphNode

execute(Query) - Method in class dev.langchain4j.community.chain.RetrievalQAChain

extractDocumentEmbedding(TextSegment) - Static method in class dev.langchain4j.community.rag.content.util.EmbeddingMetadataUtils

extractQueryEmbedding(TextSegment) - Static method in class dev.langchain4j.community.rag.content.util.EmbeddingMetadataUtils

F

filter(Filter) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

forceEmbeddingGeneration(Boolean) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

Sets whether to force embedding generation regardless of existing embeddings.

from(GraphNode, GraphNode, String) - Static method in class dev.langchain4j.community.data.document.graph.GraphEdge

from(GraphNode, GraphNode, String, Map<String, String>) - Static method in class dev.langchain4j.community.data.document.graph.GraphEdge

from(Document) - Static method in class dev.langchain4j.community.data.document.graph.GraphDocument

from(EmbeddingStore<TextSegment>) - Static method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

Creates an instance of an EmbeddingStoreContentRetriever from the specified EmbeddingStore and EmbeddingModel found through SPI (see EmbeddingModelFactory).

from(String) - Static method in class dev.langchain4j.community.data.document.graph.GraphNode

from(String, String) - Static method in class dev.langchain4j.community.data.document.graph.GraphNode

from(String, String, Map<String, String>) - Static method in class dev.langchain4j.community.data.document.graph.GraphNode

from(Set<GraphNode>, Set<GraphEdge>, Document) - Static method in class dev.langchain4j.community.data.document.graph.GraphDocument

G

GenerateEmbeddings - Class in dev.langchain4j.community.rag.content.aggregator.strategy

Strategy for generating all embeddings from scratch.

GenerateEmbeddings() - Constructor for class dev.langchain4j.community.rag.content.aggregator.strategy.GenerateEmbeddings

GraphDocument - Class in dev.langchain4j.community.data.document.graph

Represents a graph document consisting of nodes and relationships.

GraphDocument(Set<GraphNode>, Set<GraphEdge>, Document) - Constructor for class dev.langchain4j.community.data.document.graph.GraphDocument

GraphEdge - Class in dev.langchain4j.community.data.document.graph

Represents a directed relationship between two GraphNodes in a graph.

GraphEdge(GraphNode, GraphNode, String, Map<String, String>) - Constructor for class dev.langchain4j.community.data.document.graph.GraphEdge

GraphNode - Class in dev.langchain4j.community.data.document.graph

Represents a node in a graph with associated properties.

GraphNode(String, String, Map<String, String>) - Constructor for class dev.langchain4j.community.data.document.graph.GraphNode

GraphTransformer - Interface in dev.langchain4j.community.data.document.transformer.graph

Defines the interface for transforming documents into graph-based documents

H

hasDocumentEmbedding(TextSegment) - Static method in class dev.langchain4j.community.rag.content.util.EmbeddingMetadataUtils

hashCode() - Method in class dev.langchain4j.community.data.document.graph.GraphDocument

hashCode() - Method in class dev.langchain4j.community.data.document.graph.GraphEdge

hashCode() - Method in class dev.langchain4j.community.data.document.graph.GraphNode

hasQueryEmbedding(TextSegment) - Static method in class dev.langchain4j.community.rag.content.util.EmbeddingMetadataUtils

HybridEmbeddings - Class in dev.langchain4j.community.rag.content.aggregator.strategy

Strategy for handling mixed embedding availability.

HybridEmbeddings() - Constructor for class dev.langchain4j.community.rag.content.aggregator.strategy.HybridEmbeddings

I

id() - Method in class dev.langchain4j.community.data.document.graph.GraphNode

ingest(List<Document>) - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor

L

lambda(Double) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

Sets the lambda parameter for MMR.

M

maxResults(Integer) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

maxResults(Integer) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

minScore(Double) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

Sets the minimum relevance score threshold.

minScore(Double) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever.EmbeddingStoreContentRetrieverBuilder

MmrContentAggregator - Class in dev.langchain4j.community.rag.content.aggregator

Refactored MmrContentAggregator using Strategy pattern.

MmrContentAggregator(EmbeddingModel) - Constructor for class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator

Simple constructor with only EmbeddingModel.

MmrContentAggregator(EmbeddingModel, boolean) - Constructor for class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator

Constructor with EmbeddingModel and forceEmbeddingGeneration flag.

MmrContentAggregator(EmbeddingModel, double) - Constructor for class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator

Constructor with EmbeddingModel and lambda.

MmrContentAggregator(EmbeddingModel, EmbeddingStrategy) - Constructor for class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator

Constructor with EmbeddingModel and manual strategy.

MmrContentAggregator(EmbeddingModel, ScoringModel, Function<Map<Query, Collection<List<Content>>>, Query>, Double, Integer, double, boolean, EmbeddingStrategy) - Constructor for class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator

Full constructor with all parameters.

MmrContentAggregator.MmrContentAggregatorBuilder - Class in dev.langchain4j.community.rag.content.aggregator

MmrSelector - Class in dev.langchain4j.community.store.embedding

A utility class that implements the Maximum Marginal Relevance (MMR) algorithm for selecting diverse and relevant results from a list of embedding matches.

N

nodes() - Method in class dev.langchain4j.community.data.document.graph.GraphDocument

P

ParentChildEmbeddingStoreIngestor - Class in dev.langchain4j.community.store.embedding

An extension of EmbeddingStoreIngestor that introduces hierarchical processing of documents by supporting an additional splitting and transformation step for child segments.

ParentChildEmbeddingStoreIngestor(DocumentTransformer, DocumentSplitter, TextSegmentTransformer, TextSegmentTransformer, EmbeddingModel, EmbeddingStore<TextSegment>, DocumentSplitter) - Constructor for class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor

Create an instance of ParentChildEmbeddingStoreIngestor, which processes documents through a pipeline that includes transformation, hierarchical splitting into parent and child segments, and embedding generation for each segment.

ParentChildEmbeddingStoreIngestor.Builder<B> - Class in dev.langchain4j.community.store.embedding

processContents(List<Content>, Embedding, EmbeddingModel) - Method in interface dev.langchain4j.community.rag.content.aggregator.strategy.EmbeddingStrategy

Process contents and convert them to EmbeddingMatches

processContents(List<Content>, Embedding, EmbeddingModel) - Method in class dev.langchain4j.community.rag.content.aggregator.strategy.GenerateEmbeddings

processContents(List<Content>, Embedding, EmbeddingModel) - Method in class dev.langchain4j.community.rag.content.aggregator.strategy.HybridEmbeddings

processContents(List<Content>, Embedding, EmbeddingModel) - Method in class dev.langchain4j.community.rag.content.aggregator.strategy.UseExistingEmbeddings

processQueryEmbedding(Query, List<Content>, EmbeddingModel) - Method in interface dev.langchain4j.community.rag.content.aggregator.strategy.EmbeddingStrategy

Extract or generate query embedding

processQueryEmbedding(Query, List<Content>, EmbeddingModel) - Method in class dev.langchain4j.community.rag.content.aggregator.strategy.GenerateEmbeddings

processQueryEmbedding(Query, List<Content>, EmbeddingModel) - Method in class dev.langchain4j.community.rag.content.aggregator.strategy.HybridEmbeddings

processQueryEmbedding(Query, List<Content>, EmbeddingModel) - Method in class dev.langchain4j.community.rag.content.aggregator.strategy.UseExistingEmbeddings

prompt(PromptTemplate) - Method in class dev.langchain4j.community.chain.RetrievalQAChain.Builder

properties() - Method in class dev.langchain4j.community.data.document.graph.GraphEdge

properties() - Method in class dev.langchain4j.community.data.document.graph.GraphNode

Q

querySelector(Function<Map<Query, Collection<List<Content>>>, Query>) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

R

relationships() - Method in class dev.langchain4j.community.data.document.graph.GraphDocument

retrievalAugmentor(RetrievalAugmentor) - Method in class dev.langchain4j.community.chain.RetrievalQAChain.Builder

RetrievalQAChain - Class in dev.langchain4j.community.chain

A conversational chain that interacts with a specified ChatModel, using an initial UserMessage generated by a RetrievalAugmentor.

RetrievalQAChain(ChatModel, RetrievalAugmentor) - Constructor for class dev.langchain4j.community.chain.RetrievalQAChain

RetrievalQAChain.Builder - Class in dev.langchain4j.community.chain

retrieve(Query) - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

S

scoringModel(ScoringModel) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

Sets the ScoringModel for potential future hybrid MMR implementation.

select(Embedding, List<EmbeddingMatch<T>>, int, double) - Static method in class dev.langchain4j.community.store.embedding.MmrSelector

Selects a subset of embedding matches using the MMR algorithm to balance relevance and diversity.

self() - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

source() - Method in class dev.langchain4j.community.data.document.graph.GraphDocument

sourceNode() - Method in class dev.langchain4j.community.data.document.graph.GraphEdge

strategy(EmbeddingStrategy) - Method in class dev.langchain4j.community.rag.content.aggregator.MmrContentAggregator.MmrContentAggregatorBuilder

Sets a manual embedding strategy to use instead of auto-selection.

T

targetNode() - Method in class dev.langchain4j.community.data.document.graph.GraphEdge

textSegmentTransformer - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

textSegmentTransformer - Variable in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor

textSegmentTransformer(TextSegmentTransformer) - Method in class dev.langchain4j.community.store.embedding.ParentChildEmbeddingStoreIngestor.Builder

Sets the text segment transformer.

toString() - Method in class dev.langchain4j.community.data.document.graph.GraphDocument

toString() - Method in class dev.langchain4j.community.data.document.graph.GraphEdge

toString() - Method in class dev.langchain4j.community.data.document.graph.GraphNode

toString() - Method in class dev.langchain4j.community.rag.content.retriever.EmbeddingStoreContentRetriever

transform(Document) - Method in interface dev.langchain4j.community.data.document.transformer.graph.GraphTransformer

Transforms a provided document into a graph-based document.

transformAll(Collection<Document>) - Method in interface dev.langchain4j.community.data.document.transformer.graph.GraphTransformer

Transforms all the provided documents.

type() - Method in class dev.langchain4j.community.data.document.graph.GraphEdge

type() - Method in class dev.langchain4j.community.data.document.graph.GraphNode

U

UseExistingEmbeddings - Class in dev.langchain4j.community.rag.content.aggregator.strategy

Strategy for using all existing embeddings from content metadata.

UseExistingEmbeddings() - Constructor for class dev.langchain4j.community.rag.content.aggregator.strategy.UseExistingEmbeddings

A B C D E F G H I L M N P Q R S T U
All Classes and Interfaces|All Packages|Constant Field Values